Compiled by the JCPDS International Centre for Diffraction Data.American Society for Testing and Materials:Power diffracation file search manual,Fink method,inorganic 1977.JCPDS,1977.
H. Wilhelmsson ed..:Plasma physics, nonlinear theory and experiments;Nobel Symposium on nonlinear effects in plasmas (36th : 1977 : Sweden).Plenum Press,1977.